Holley International Co., Ltd, a subsidiary of Holley Group, a leading watt-hour meter and Gas/water meter Manufacturer, which has 6000 employees enrolled with an annual production ability of 15 million meters, 50% of them are sold on overseas markets. The main products of the common domestic gas meter and intelligent integrative gas meter, divided into 5 series and 27 models of G1,G1.6,G2.5,G4, G1.6(S),G2.5(S),G4(S), developed and designed by foreign technical experts, can fully meet the market requirements aboard. The company acquired DIN EN ISO 9001:2000 Quality Management System Certificate which issued by the Certification Body of TuV Management Service GmbH(Germany). The company is also the first company in China that has acquired the OIML International Standard Product Certificate issued by the International Inspection Bureau of France(No.01IND-IC1009). /e_product_sort.php?classid=32